Given a text, write a compressed version of it in a single sentence.

Mount Batur went into an active phase in August 1994, blowing huge puffs of smoke and rocky debris from a new vent on its northwest face. As a result, some of the tracks there were cut.
Mount Batur went into an active phase in August 1994, blowing huge puffs of smoke and rocky debris from a new vent on its northwest face.